#90271A#90271A

#90271A is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.7% C 0.143 H 30.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#90271A
RGB	rgb(144, 39, 26)
HSL	hsl(7, 69%, 33%)
HSV	hsv(7, 82%, 56%)
CMYK	cmyk(0%, 72.9%, 81.9%, 43.5%)
CIE-LAB	lab(32.83, 43.24, 33.59)
CIE-LCH	lch(32.83, 54.75, 37.84°)
OKLab	oklab(43.75% 0.1229 0.0726)
OKLCH	oklch(43.75% 0.143 30.6)
XYZ	xyz(12.4150, 7.4568, 1.7627)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90271A #1A8390

analogous

#901A48 #90271A #90621A

triadic

#90271A #1A9027 #271A90

tetradic

#90271A #48901A #1A8390 #621A90

square

#90271A #48901A #1A8390 #621A90

split-complementary

#90271A #1A9062 #1A4890

monochromatic

#280B07 #5C1911 #90271A #C43523 #DE5747

Accessibility & contrast

On white

8.43

#90271A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#90271A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90271A

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90271A	#FFFFFF	#000000	##FFFFFF
##90271A	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E17

Deuteranopia (green-blind)

#605615

Tritanopia (blue-blind)

#9F0025

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90271a;
/* rgb */ color: rgb(144, 39, 26);
/* oklch */ color: oklch(43.7% 0.143 30.6);

Tailwind

colors: {
  custom: {
    50: '#b96958',
    500: '#90271a',
    950: '#000000',
  },
}

SCSS

$custom: #90271a;
$custom-light: #b96958;
$custom-dark: #000000;

JSON

{
  "hex": "#90271a",
  "rgb": {
    "r": 144,
    "g": 39,
    "b": 26
  },
  "hsl": {
    "h": 6.61,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.43747,
    "c": 0.1427,
    "h": 30.6
  },
  "luminance": 0.07455
}

Semantic roles & 50–950 ramp

primary

#90271A

secondary

#47B2BF

accent

#D9EC3C

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130703

muted

#827A78

Preview Lab

Preview with #90271A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →